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Characters of some unitary highest weight representations via the theta correspondence
Journal of Functional Analysis ( IF 1.7 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.jfa.2020.108698
Allan Merino

Abstract In this article, we consider a dual pair ( G , G ′ ) in the symplectic group Sp ( W ) with G compact and let ( G ˜ , G ˜ ′ ) be the preimages of G and G ′ in the metaplectic group Sp ( W ) ˜ . For every irreducible representation Π of G ˜ appearing in Howe correspondence, we compute explicitly the restriction of the character Θ Π ′ of the associated representation Π ′ of G ˜ ′ on the set of regular points on the compact Cartan subgroup H ˜ ′ of G ˜ ′ .

中文翻译:

通过θ对应的一些单一最高权重表示的特征

摘要 在本文中,我们考虑 G 紧的辛群 Sp ( W ) 中的对偶对 ( G , G ′ ) 并让 ( G ~ , G ~ ′ ) 是 G 和 G ′ 在元辛群 Sp 中的原像(W) ~。对于出现在 Howe 对应关系中的 G ˜ 的每个不可约表示 Π,我们明确地计算 G ˜ ' 的关联表示 Π ' 的字符 Θ Π ' 在 G 的紧嘉当子群 H ˜ ' 上的正则点集上的限制~ ′ 。
更新日期:2020-11-01
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